App Manager v1.117.5 release notes (#2728)

* App Manager v1.117.5 release notes

* Update rn-app-manager.md

---------

Co-authored-by: replicated-ci-kots <[email protected]>
Co-authored-by: Ethan Mosbaugh <[email protected]>

Author: 3 people

docs/release-notes/rn-app-manager.md

@@ -18,6 +18,16 @@ The following table lists the versions of Kubernetes that are compatible with ea
 
 <!--RELEASE_NOTES_PLACEHOLDER-->
 
+
+## 1.117.5
+
+Released on October 8, 2024
+
+Support for Kubernetes: 1.29, 1.30, and 1.31
+
+### Improvements {#improvements-1-117-5}
+* Adds support for specifying an alternative data directory in Embedded Cluster.
+
 ## 1.117.4
 
 Released on October 8, 2024